To get an idea of exactly how small the worldâs smallest insect is, take out a ruler and look at those tiny lines that appear in between centimeters (make sure youâre not on the side that measures in inches). If in doubt, ask a grown-up to help you find the millimeters.
Nausea and vomiting are very nonspecific symptoms that can be common among people with stomach cancer. Persistent nausea and/or vomiting needs to be checked by your doctor. It can indicate a serious health problem and can cause damage to the lining of your esophagus.
Expert: Denver ER Doc replied 5 years ago. Vomiting and diarrhea are not among the listed side effects of phenylpropanolamine (Proin), however it can cause restlessness and decreased appetite which may result in vomiting, GI upset, and possibly diarrhea.